How severe is CVE-2018-17103?

CVE-2018-17103 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17103?

CVE-2018-17103 affects Get-simple Getsimple Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17103?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-17103 published?

CVE-2018-17103 was published on 2018-09-16 and last updated on 2026-06-17.

CVE-2018-17103

CVE-2018-17103 is a high-severity vulnerability in Get-simple Getsimple Cms with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Get-simple Getsimple Cms
Published: 2018-09-16
Last modified: 2026-06-17

Description

An issue was discovered in GetSimple CMS v3.3.13. There is a CSRF vulnerability that can change the administrator's password via admin/settings.php. NOTE: The vendor reported that the PoC was sending a value for the nonce parameter

Frequently asked questions

What is CVE-2018-17103?: An issue was discovered in GetSimple CMS v3.3.13. There is a CSRF vulnerability that can change the administrator's password via admin/settings.php. NOTE: The vendor reported that the PoC was sending a value for the nonce parameter
How severe is CVE-2018-17103?: CVE-2018-17103 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17103?: CVE-2018-17103 affects Get-simple Getsimple Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-17103 published?: CVE-2018-17103 was published on 2018-09-16 and last updated on 2026-06-17.

References

https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1295

Affected products (1)

cpe:2.3:a:get-simple:getsimple_cms:3.3.13:*:*:*:*:*:*:*

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